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Related Experiment Video

Updated: May 11, 2026

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Laparoscopic vessel sealing technologies.

Stephen D Lyons1, Kenneth S K Law

  • 1Department of Endo-Gynaecology, Royal Hospital for Women, Sydney, Australia, and University of New South Wales, Sydney, Australia. stephen@drlyons.com.au

Journal of Minimally Invasive Gynecology
|May 11, 2013
PubMed
Summary
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Advanced bipolar and ultrasonic vessel sealing devices are key in modern laparoscopy. Comparative studies show neither technology is superior for sealing vessels up to 7-mm or 5-mm, respectively.

Area of Science:

  • Minimally invasive surgery
  • Surgical instrumentation
  • Electrosurgery

Background:

  • Laparoscopic vessel sealing devices have transformed modern surgical procedures.
  • These instruments are broadly classified into advanced bipolar and ultrasonic types.
  • Their tissue effects are more limited compared to traditional monopolar electrosurgery.

Purpose of the Study:

  • To compare the efficacy and safety of advanced bipolar versus ultrasonic vessel sealing devices.
  • To evaluate the vessel sealing capabilities and transection functions of these technologies.

Main Methods:

  • Review of comparative studies analyzing advanced bipolar and ultrasonic vessel sealing devices.
  • Assessment of vessel sealing diameter limits (≤7-mm for advanced bipolar, ≤5-mm for ultrasonic).

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  • Evaluation of integrated tissue transection features.

    • Main Results:

    • Both advanced bipolar and ultrasonic devices effectively seal vessels within their specified diameter limits.
    • Most devices in both categories include integrated tissue transection capabilities.
    • Current research has not demonstrated a definitive superiority of one technology over the other.

    Conclusions:

    • Advanced bipolar and ultrasonic devices are effective tools in laparoscopic surgery for vessel sealing.
    • The choice between advanced bipolar and ultrasonic devices may depend on specific clinical scenarios.
    • Further research may be needed to establish clear advantages for either technology.